Season 4

Katherine Ryan, Ne-Yo, Idris Elba and Will Poulter

Big Zuu, Harry Redknapp, Patrice Evra and Raye

Lenny Henry, Mo Farah, Leomie Anderson and Tion Wayne

Dawn Butler, Fatman Scoop, Digga D, Lily Cole and Paul Chowdhry

Natalie Cassidy, Judi Love, Michael Page, Shaun Ryder and ArrDee

Robert Rinder, Munya Chawawa, Zeze Millz, Yinka Bokinni, Papoose and Ozwald Boateng